Home / 110,493.60-165,740.40-40,363.80

Finding the Fourth Proportional to 110,493.60, 165,740.40 and 40,363.80

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Solution

The fourth proportional to 110,493.60, 165,740.40 and 40,363.80 is: 60,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,493.60 : 165,740.40 = 40,363.80 : x
  2. Step 2: Convert to fraction form
    110,493.60/165,740.40 = 40,363.80/x
  3. Step 3: Cross multiply
    110,493.60x = 165,740.40 × 40,363.80
  4. Step 4: Simplify right side
    110,493.60x = 6,689,912,357.52
  5. Step 5: Solve for x
    x = 6,689,912,357.52/110,493.60
  6. Step 6: Final answer
    x = 60,545.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.